Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Most Internet service providers (ISPS) offer several levels of mobile services each with a different Internet speeds, usually measured in Mbps (megabits per second). What kind of speed do you need for each of the following cases? Cases Needed speed (can be a range) 1 High-definition video streaming If you mainly want to use the 2 Internet for sending and receiving emails. If you mainly want to use social 3 network If you want 4 to download music or stream videos.
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Transcribed Image Text:Most Internet service providers (ISPS) offer several levels of mobile services each with a different Internet speeds, usually measured in Mbps (megabits per second). What kind of speed do you need for each of the following cases? Cases Needed speed (can be a range) 1 High-definition video streaming If you mainly want to use the 2 Internet for sending and receiving emails. If you mainly want to use social 3 network If you want 4 to download music or stream videos.
Decomposing periodic analog signal into two sine waves having a phase shift equivalent to 1/6 and 1/8 cycle with respect to time 0. These sine waves have 8 and 12 cycles for a duration of one second. Both have a maximum amplitude of 15 volts. What are the phases in degrees and radians and represent both signals in time and frequency domains plot? Composite analog signal 40 3 20 -20 -40 0.2 0.4 0.6 0.8 1.2 1.4 1.6 1.8 Time (s)
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Transcribed Image Text:Decomposing periodic analog signal into two sine waves having a phase shift equivalent to 1/6 and 1/8 cycle with respect to time 0. These sine waves have 8 and 12 cycles for a duration of one second. Both have a maximum amplitude of 15 volts. What are the phases in degrees and radians and represent both signals in time and frequency domains plot? Composite analog signal 40 3 20 -20 -40 0.2 0.4 0.6 0.8 1.2 1.4 1.6 1.8 Time (s)
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